Sustained increase of paediatric invasive Streptococcus pyogenes infections dominated by M1UK and diverse emm12 isolates, Portugal, September 2022 to May 2023 Gouveia, Catarina and Bajanca-Lavado, Maria Paula and Mamede, Rafael and Araújo Carvalho, Ana and Rodrigues, Fernanda and Melo-Cristino, José and Ramirez, Mario and Friães, Ana and Portuguese Group for the Study of Streptococcal Infections and Portuguese Study Group of Pediatric Invasive Streptococcal Disease, Eurosurveillance, 28, 2300427 (2023), https://doi.org/10.2807/1560-7917.ES.2023.28.36.2300427